/Engine/Source/Runtime/Core/Public/HAL/Allocators/PooledVirtualMemoryAllocator.h
enum Limits { NumAllocationSizeClasses = 64, MaxAllocationSizeToPool = NumAllocationSizeClasses * 65536, MaxOSAllocCacheSize = 64 * 1024 * 1024, MaxOSAllocsCached = 64, }